创新不是目的，解决问题才是。
我们都是自己选择的总和，也是他人为我们做出的选择的总和。
The good life is not one immune to sadness, but one in which suffering contributes to our development.
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.
Collaboration in mathematics is essential; no one can solve all the problems alone.